1043421 has 8 divisors (see below), whose sum is σ = 1397280. Its totient is φ = 692592.

The previous prime is 1043401. The next prime is 1043453. The reversal of 1043421 is 1243401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1043421 - 2⁷ = 1043293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1043421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235 + ... + 1463.

It is an arithmetic number, because the mean of its divisors is an integer number (174660).

2^1043421 is an apocalyptic number.

It is an amenable number.

1043421 is a deficient number, since it is larger than the sum of its proper divisors (353859).

1043421 is a wasteful number, since it uses less digits than its factorization.

1043421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1043421 is about 1021.4798089047. The cubic root of 1043421 is about 101.4269091272.

Adding to 1043421 its reverse (1243401), we get a palindrome (2286822).

The spelling of 1043421 in words is "one million, forty-three thousand, four hundred twenty-one".